Facts About Hassium and Francium
Interesting Facts
- Hassium metals rate of decay is very high.
- Hassium metals 1st sample was synthesized through a nuclear reaction.
  
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
  
Sources
Synthetically Produced
  
Formed by Decay Process, Mining
  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung
  
Marguerite Perey
  
Discovery
In 1984
  
In 1939
  
Abundance